| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Sergei Ivanov | 1 | 1 | - | - | 1 |
| Tiago Martins | 1 | 1 | - | - | 1 |
| Felix Brych | 1 | 1 | - | - | 1 |
| Duje Strukan | 1 | 1 | - | - | 1 |
| Sandro Scharer | 2 | 1 | - | - | 2 |
| Maurizio Mariani | 3 | 1 | - | - | 3 |
| Michael Oliver | 3 | 1 | - | - | 3 |
P = Matches played,
C = Cards .
| Referee | P | |
|
|
P / C |
|---|---|---|---|---|---|
| Sergei Ivanov | 1 | 1 | - | - | 1 |
| Tiago Martins | 1 | 1 | - | - | 1 |
| Felix Brych | 1 | 1 | - | - | 1 |
| Duje Strukan | 1 | 1 | - | - | 1 |
| Sandro Scharer | 2 | 1 | - | - | 2 |
| Maurizio Mariani | 3 | 1 | - | - | 3 |
| Michael Oliver | 3 | 1 | - | - | 3 |
P = Matches played,
C = Cards .